SquirrelJME/SquirrelJME

// -*- Mode: Java; indent-tabs-mode: t; tab-width: 4 -*-
// ---------------------------------------------------------------------------
// Multi-Phasic Applications: SquirrelJME
//     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
// ---------------------------------------------------------------------------
// SquirrelJME is under the Mozilla Public License Version 2.0.
// See license.mkd for licensing and copyright information.
// ---------------------------------------------------------------------------

package cc.squirreljme.debugger;

import java.util.LinkedHashMap;
import java.util.Map;

/**
 * Awaiting reply handler.
 *
 * @since 2024/01/26
 */
public class AwaitingReplies
{
    /** The replies to wait for. */
    private final Map<Integer, AwaitingReply> _replies =
        new LinkedHashMap<>();
    
    /**
     * Awaits for the given reply.
     *
     * @param __id The packet ID.
     * @param __pass Successful packet handler.
     * @param __fail Failed packet handler.
     * @param __always The always handler.
     * @since 2024/01/26
     */
    public void await(int __id, ReplyHandler __pass, ReplyHandler __fail,
        ReplyHandler __always)
    {
        Map<Integer, AwaitingReply> replies = this._replies;
        synchronized (this)
        {
            replies.put(__id,
                new AwaitingReply(__id, __pass, __fail, __always,
                    System.nanoTime()));
        }
    }
    
    /**
     * Removes an awaiting reply.
     *
     * @param __id The ID of the packet.
     * @return The awaiting reply.
     * @since 2024/01/26
     */
    public AwaitingReply remove(int __id)
    {
        Map<Integer, AwaitingReply> replies = this._replies;
        synchronized (this)
        {
            return replies.remove(__id);
        }
    }
}